bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include <initializer_list> |
| 9 | #include <functional> |
| 10 | #include "Test.h" |
| 11 | #if SK_SUPPORT_GPU |
| 12 | #include "GrShape.h" |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 13 | #include "SkCanvas.h" |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 14 | #include "SkDashPathEffect.h" |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 15 | #include "SkPath.h" |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 16 | #include "SkPathOps.h" |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 17 | #include "SkSurface.h" |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 18 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 19 | using Key = SkTArray<uint32_t>; |
| 20 | |
| 21 | static bool make_key(Key* key, const GrShape& shape) { |
| 22 | int size = shape.unstyledKeySize(); |
| 23 | if (size <= 0) { |
| 24 | key->reset(0); |
| 25 | return false; |
| 26 | } |
| 27 | SkASSERT(size); |
| 28 | key->reset(size); |
| 29 | shape.writeUnstyledKey(key->begin()); |
| 30 | return true; |
| 31 | } |
| 32 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 33 | static bool paths_fill_same(const SkPath& a, const SkPath& b) { |
| 34 | SkPath pathXor; |
| 35 | Op(a, b, SkPathOp::kXOR_SkPathOp, &pathXor); |
| 36 | return pathXor.isEmpty(); |
| 37 | } |
| 38 | |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 39 | static bool test_bounds_by_rasterizing(const SkPath& path, const SkRect& bounds) { |
| 40 | static constexpr int kRes = 2000; |
| 41 | // This tolerance is in units of 1/kRes fractions of the bounds width/height. |
| 42 | static constexpr int kTol = 0; |
| 43 | GR_STATIC_ASSERT(kRes % 4 == 0); |
| 44 | SkImageInfo info = SkImageInfo::MakeA8(kRes, kRes); |
| 45 | sk_sp<SkSurface> surface = SkSurface::MakeRaster(info); |
| 46 | surface->getCanvas()->clear(0x0); |
| 47 | SkRect clip = SkRect::MakeXYWH(kRes/4, kRes/4, kRes/2, kRes/2); |
| 48 | SkMatrix matrix; |
| 49 | matrix.setRectToRect(bounds, clip, SkMatrix::kFill_ScaleToFit); |
| 50 | clip.outset(SkIntToScalar(kTol), SkIntToScalar(kTol)); |
| 51 | surface->getCanvas()->clipRect(clip, SkRegion::kDifference_Op); |
| 52 | surface->getCanvas()->concat(matrix); |
| 53 | SkPaint whitePaint; |
| 54 | whitePaint.setColor(SK_ColorWHITE); |
| 55 | surface->getCanvas()->drawPath(path, whitePaint); |
| 56 | SkPixmap pixmap; |
| 57 | surface->getCanvas()->peekPixels(&pixmap); |
| 58 | #if defined(SK_BUILD_FOR_WIN) |
| 59 | // The static constexpr version in #else causes cl.exe to crash. |
| 60 | const uint8_t* kZeros = reinterpret_cast<uint8_t*>(calloc(kRes, 1)); |
| 61 | #else |
| 62 | static constexpr uint8_t kZeros[kRes] = {0}; |
| 63 | #endif |
| 64 | for (int y = 0; y < kRes/4; ++y) { |
| 65 | const uint8_t* row = pixmap.addr8(0, y); |
| 66 | if (0 != memcmp(kZeros, row, kRes)) { |
| 67 | return false; |
| 68 | } |
| 69 | } |
| 70 | #ifdef SK_BUILD_FOR_WIN |
| 71 | free(const_cast<uint8_t*>(kZeros)); |
| 72 | #endif |
| 73 | return true; |
| 74 | } |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 75 | |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 76 | namespace { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 77 | class TestCase { |
| 78 | public: |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 79 | template <typename GEO> |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 80 | TestCase(const GEO& geo, const SkPaint& paint, skiatest::Reporter* r, |
| 81 | SkScalar scale = SK_Scalar1) : fBase(geo, paint) { |
| 82 | this->init(r, scale); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 83 | } |
| 84 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 85 | TestCase(const GrShape& shape, skiatest::Reporter* r, SkScalar scale = SK_Scalar1) |
| 86 | : fBase(shape) { |
| 87 | this->init(r, scale); |
| 88 | } |
| 89 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 90 | struct SelfExpectations { |
| 91 | bool fPEHasEffect; |
| 92 | bool fPEHasValidKey; |
| 93 | bool fStrokeApplies; |
| 94 | }; |
| 95 | |
| 96 | void testExpectations(skiatest::Reporter* reporter, SelfExpectations expectations) const; |
| 97 | |
| 98 | enum ComparisonExpecation { |
| 99 | kAllDifferent_ComparisonExpecation, |
| 100 | kSameUpToPE_ComparisonExpecation, |
| 101 | kSameUpToStroke_ComparisonExpecation, |
| 102 | kAllSame_ComparisonExpecation, |
| 103 | }; |
| 104 | |
| 105 | void compare(skiatest::Reporter*, const TestCase& that, ComparisonExpecation) const; |
| 106 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 107 | const GrShape& baseShape() const { return fBase; } |
| 108 | const GrShape& appliedPathEffectShape() const { return fAppliedPE; } |
| 109 | const GrShape& appliedFullStyleShape() const { return fAppliedFull; } |
| 110 | |
| 111 | // The returned array's count will be 0 if the key shape has no key. |
| 112 | const Key& baseKey() const { return fBaseKey; } |
| 113 | const Key& appliedPathEffectKey() const { return fAppliedPEKey; } |
| 114 | const Key& appliedFullStyleKey() const { return fAppliedFullKey; } |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 115 | const Key& appliedPathEffectThenStrokeKey() const { return fAppliedPEThenStrokeKey; } |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 116 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 117 | private: |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 118 | static void CheckBounds(skiatest::Reporter* r, const GrShape& shape, const SkRect& bounds) { |
| 119 | SkPath path; |
| 120 | shape.asPath(&path); |
| 121 | // If the bounds are empty, the path ought to be as well. |
| 122 | if (bounds.isEmpty()) { |
| 123 | REPORTER_ASSERT(r, path.isEmpty()); |
| 124 | return; |
| 125 | } |
| 126 | if (path.isEmpty()) { |
| 127 | return; |
| 128 | } |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 129 | // The bounds API explicitly calls out that it does not consider inverseness. |
| 130 | SkPath p = path; |
| 131 | p.setFillType(SkPath::ConvertToNonInverseFillType(path.getFillType())); |
| 132 | REPORTER_ASSERT(r, test_bounds_by_rasterizing(p, bounds)); |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 133 | } |
| 134 | |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 135 | void init(skiatest::Reporter* r, SkScalar scale) { |
| 136 | fAppliedPE = fBase.applyStyle(GrStyle::Apply::kPathEffectOnly, scale); |
| 137 | fAppliedPEThenStroke = fAppliedPE.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, |
| 138 | scale); |
| 139 | fAppliedFull = fBase.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, scale); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 140 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 141 | make_key(&fBaseKey, fBase); |
| 142 | make_key(&fAppliedPEKey, fAppliedPE); |
| 143 | make_key(&fAppliedPEThenStrokeKey, fAppliedPEThenStroke); |
| 144 | make_key(&fAppliedFullKey, fAppliedFull); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 145 | |
| 146 | // Applying the path effect and then the stroke should always be the same as applying |
| 147 | // both in one go. |
| 148 | REPORTER_ASSERT(r, fAppliedPEThenStrokeKey == fAppliedFullKey); |
| 149 | SkPath a, b; |
| 150 | fAppliedPEThenStroke.asPath(&a); |
| 151 | fAppliedFull.asPath(&b); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 152 | // If the output of the path effect is a rrect then it is possible for a and b to be |
| 153 | // different paths that fill identically. The reason is that fAppliedFull will do this: |
| 154 | // base -> apply path effect -> rrect_as_path -> stroke -> stroked_rrect_as_path |
| 155 | // fAppliedPEThenStroke will have converted the rrect_as_path back to a rrect. However, |
| 156 | // now that there is no longer a path effect, the direction and starting index get |
| 157 | // canonicalized before the stroke. |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 158 | if (fAppliedPE.asRRect(nullptr, nullptr, nullptr, nullptr)) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 159 | REPORTER_ASSERT(r, paths_fill_same(a, b)); |
| 160 | } else { |
| 161 | REPORTER_ASSERT(r, a == b); |
| 162 | } |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 163 | REPORTER_ASSERT(r, fAppliedFull.isEmpty() == fAppliedPEThenStroke.isEmpty()); |
| 164 | |
| 165 | SkPath path; |
| 166 | fBase.asPath(&path); |
| 167 | REPORTER_ASSERT(r, path.isEmpty() == fBase.isEmpty()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame] | 168 | REPORTER_ASSERT(r, path.getSegmentMasks() == fBase.segmentMask()); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 169 | fAppliedPE.asPath(&path); |
| 170 | REPORTER_ASSERT(r, path.isEmpty() == fAppliedPE.isEmpty()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame] | 171 | REPORTER_ASSERT(r, path.getSegmentMasks() == fAppliedPE.segmentMask()); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 172 | fAppliedFull.asPath(&path); |
| 173 | REPORTER_ASSERT(r, path.isEmpty() == fAppliedFull.isEmpty()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame] | 174 | REPORTER_ASSERT(r, path.getSegmentMasks() == fAppliedFull.segmentMask()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 175 | |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 176 | CheckBounds(r, fBase, fBase.bounds()); |
| 177 | CheckBounds(r, fAppliedPE, fAppliedPE.bounds()); |
| 178 | CheckBounds(r, fAppliedPEThenStroke, fAppliedPEThenStroke.bounds()); |
| 179 | CheckBounds(r, fAppliedFull, fAppliedFull.bounds()); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 180 | SkRect styledBounds = fBase.styledBounds(); |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 181 | CheckBounds(r, fAppliedFull, styledBounds); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 182 | styledBounds = fAppliedPE.styledBounds(); |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 183 | CheckBounds(r, fAppliedFull, styledBounds); |
| 184 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 185 | // Check that the same path is produced when style is applied by GrShape and GrStyle. |
| 186 | SkPath preStyle; |
| 187 | SkPath postPathEffect; |
| 188 | SkPath postAllStyle; |
| 189 | |
| 190 | fBase.asPath(&preStyle); |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 191 | SkStrokeRec postPEStrokeRec(SkStrokeRec::kFill_InitStyle); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 192 | if (fBase.style().applyPathEffectToPath(&postPathEffect, &postPEStrokeRec, preStyle, |
| 193 | scale)) { |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 194 | // run postPathEffect through GrShape to get any geometry reductions that would have |
| 195 | // occurred to fAppliedPE. |
| 196 | GrShape(postPathEffect, GrStyle(postPEStrokeRec, nullptr)).asPath(&postPathEffect); |
| 197 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 198 | SkPath testPath; |
| 199 | fAppliedPE.asPath(&testPath); |
| 200 | REPORTER_ASSERT(r, testPath == postPathEffect); |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 201 | REPORTER_ASSERT(r, postPEStrokeRec.hasEqualEffect(fAppliedPE.style().strokeRec())); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 202 | } |
| 203 | SkStrokeRec::InitStyle fillOrHairline; |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 204 | if (fBase.style().applyToPath(&postAllStyle, &fillOrHairline, preStyle, scale)) { |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 205 | SkPath testPath; |
| 206 | fAppliedFull.asPath(&testPath); |
bsalomon | 1b28c1a | 2016-06-20 12:28:17 -0700 | [diff] [blame] | 207 | if (fBase.style().hasPathEffect()) { |
| 208 | // Because GrShape always does two-stage application when there is a path effect |
| 209 | // there may be a reduction/canonicalization step between the path effect and |
| 210 | // strokerec not reflected in postAllStyle since it applied both the path effect |
| 211 | // and strokerec without analyzing the intermediate path. |
| 212 | REPORTER_ASSERT(r, paths_fill_same(postAllStyle, testPath)); |
| 213 | } else { |
| 214 | // Make sure that postAllStyle sees any reductions/canonicalizations that GrShape |
| 215 | // would apply. |
| 216 | GrShape(postAllStyle, GrStyle(fillOrHairline)).asPath(&postAllStyle); |
| 217 | REPORTER_ASSERT(r, testPath == postAllStyle); |
| 218 | } |
| 219 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 220 | if (fillOrHairline == SkStrokeRec::kFill_InitStyle) { |
| 221 | REPORTER_ASSERT(r, fAppliedFull.style().isSimpleFill()); |
| 222 | } else { |
| 223 | REPORTER_ASSERT(r, fAppliedFull.style().isSimpleHairline()); |
| 224 | } |
| 225 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | GrShape fBase; |
| 229 | GrShape fAppliedPE; |
| 230 | GrShape fAppliedPEThenStroke; |
| 231 | GrShape fAppliedFull; |
| 232 | |
| 233 | Key fBaseKey; |
| 234 | Key fAppliedPEKey; |
| 235 | Key fAppliedPEThenStrokeKey; |
| 236 | Key fAppliedFullKey; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 237 | }; |
| 238 | |
| 239 | void TestCase::testExpectations(skiatest::Reporter* reporter, SelfExpectations expectations) const { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 240 | // The base's key should always be valid (unless the path is volatile) |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 241 | REPORTER_ASSERT(reporter, fBaseKey.count()); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 242 | if (expectations.fPEHasEffect) { |
| 243 | REPORTER_ASSERT(reporter, fBaseKey != fAppliedPEKey); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 244 | REPORTER_ASSERT(reporter, expectations.fPEHasValidKey == SkToBool(fAppliedPEKey.count())); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 245 | REPORTER_ASSERT(reporter, fBaseKey != fAppliedFullKey); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 246 | REPORTER_ASSERT(reporter, expectations.fPEHasValidKey == SkToBool(fAppliedFullKey.count())); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 247 | if (expectations.fStrokeApplies && expectations.fPEHasValidKey) { |
| 248 | REPORTER_ASSERT(reporter, fAppliedPEKey != fAppliedFullKey); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 249 | REPORTER_ASSERT(reporter, SkToBool(fAppliedFullKey.count())); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 250 | } |
| 251 | } else { |
| 252 | REPORTER_ASSERT(reporter, fBaseKey == fAppliedPEKey); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 253 | SkPath a, b; |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 254 | fBase.asPath(&a); |
| 255 | fAppliedPE.asPath(&b); |
| 256 | REPORTER_ASSERT(reporter, a == b); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 257 | if (expectations.fStrokeApplies) { |
| 258 | REPORTER_ASSERT(reporter, fBaseKey != fAppliedFullKey); |
| 259 | } else { |
| 260 | REPORTER_ASSERT(reporter, fBaseKey == fAppliedFullKey); |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
bsalomon | ac5fcea | 2016-06-23 12:23:07 -0700 | [diff] [blame] | 265 | static bool can_interchange_winding_and_even_odd_fill(const GrShape& shape) { |
| 266 | SkPath path; |
| 267 | shape.asPath(&path); |
| 268 | if (shape.style().hasNonDashPathEffect()) { |
| 269 | return false; |
| 270 | } |
| 271 | const SkStrokeRec::Style strokeRecStyle = shape.style().strokeRec().getStyle(); |
| 272 | return strokeRecStyle == SkStrokeRec::kStroke_Style || |
| 273 | strokeRecStyle == SkStrokeRec::kHairline_Style || |
| 274 | (shape.style().isSimpleFill() && path.isConvex()); |
| 275 | } |
| 276 | |
| 277 | static void check_equivalence(skiatest::Reporter* r, const GrShape& a, const GrShape& b, |
| 278 | const Key& keyA, const Key& keyB) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 279 | // GrShape only respects the input winding direction and start point for rrect shapes |
| 280 | // when there is a path effect. Thus, if there are two GrShapes representing the same rrect |
| 281 | // but one has a path effect in its style and the other doesn't then asPath() and the unstyled |
| 282 | // key will differ. GrShape will have canonicalized the direction and start point for the shape |
| 283 | // without the path effect. If *both* have path effects then they should have both preserved |
| 284 | // the direction and starting point. |
| 285 | |
| 286 | // The asRRect() output params are all initialized just to silence compiler warnings about |
| 287 | // uninitialized variables. |
| 288 | SkRRect rrectA = SkRRect::MakeEmpty(), rrectB = SkRRect::MakeEmpty(); |
| 289 | SkPath::Direction dirA = SkPath::kCW_Direction, dirB = SkPath::kCW_Direction; |
| 290 | unsigned startA = ~0U, startB = ~0U; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 291 | bool invertedA = true, invertedB = true; |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 292 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 293 | bool aIsRRect = a.asRRect(&rrectA, &dirA, &startA, &invertedA); |
| 294 | bool bIsRRect = b.asRRect(&rrectB, &dirB, &startB, &invertedB); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 295 | bool aHasPE = a.style().hasPathEffect(); |
| 296 | bool bHasPE = b.style().hasPathEffect(); |
| 297 | bool allowSameRRectButDiffStartAndDir = (aIsRRect && bIsRRect) && (aHasPE != bHasPE); |
bsalomon | 425c27f | 2016-06-23 13:18:45 -0700 | [diff] [blame] | 298 | // GrShape will close paths with simple fill style. |
| 299 | bool allowedClosednessDiff = (a.style().isSimpleFill() != b.style().isSimpleFill()); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 300 | SkPath pathA, pathB; |
| 301 | a.asPath(&pathA); |
| 302 | b.asPath(&pathB); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 303 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 304 | // Having a dash path effect can allow 'a' but not 'b' to turn a inverse fill type into a |
| 305 | // non-inverse fill type (or vice versa). |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 306 | bool ignoreInversenessDifference = false; |
| 307 | if (pathA.isInverseFillType() != pathB.isInverseFillType()) { |
| 308 | const GrShape* s1 = pathA.isInverseFillType() ? &a : &b; |
| 309 | const GrShape* s2 = pathA.isInverseFillType() ? &b : &a; |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 310 | bool canDropInverse1 = s1->style().isDashed(); |
| 311 | bool canDropInverse2 = s2->style().isDashed(); |
| 312 | ignoreInversenessDifference = (canDropInverse1 != canDropInverse2); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 313 | } |
bsalomon | a4817af | 2016-06-23 11:48:26 -0700 | [diff] [blame] | 314 | bool ignoreWindingVsEvenOdd = false; |
| 315 | if (SkPath::ConvertToNonInverseFillType(pathA.getFillType()) != |
| 316 | SkPath::ConvertToNonInverseFillType(pathB.getFillType())) { |
bsalomon | ac5fcea | 2016-06-23 12:23:07 -0700 | [diff] [blame] | 317 | bool aCanChange = can_interchange_winding_and_even_odd_fill(a); |
| 318 | bool bCanChange = can_interchange_winding_and_even_odd_fill(b); |
bsalomon | a4817af | 2016-06-23 11:48:26 -0700 | [diff] [blame] | 319 | if (aCanChange != bCanChange) { |
| 320 | ignoreWindingVsEvenOdd = true; |
| 321 | } |
| 322 | } |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 323 | if (allowSameRRectButDiffStartAndDir) { |
| 324 | REPORTER_ASSERT(r, rrectA == rrectB); |
| 325 | REPORTER_ASSERT(r, paths_fill_same(pathA, pathB)); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 326 | REPORTER_ASSERT(r, ignoreInversenessDifference || invertedA == invertedB); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 327 | } else { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 328 | SkPath pA = pathA; |
| 329 | SkPath pB = pathB; |
bsalomon | 425c27f | 2016-06-23 13:18:45 -0700 | [diff] [blame] | 330 | REPORTER_ASSERT(r, a.inverseFilled() == pA.isInverseFillType()); |
| 331 | REPORTER_ASSERT(r, b.inverseFilled() == pB.isInverseFillType()); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 332 | if (ignoreInversenessDifference) { |
| 333 | pA.setFillType(SkPath::ConvertToNonInverseFillType(pathA.getFillType())); |
| 334 | pB.setFillType(SkPath::ConvertToNonInverseFillType(pathB.getFillType())); |
bsalomon | a4817af | 2016-06-23 11:48:26 -0700 | [diff] [blame] | 335 | } |
| 336 | if (ignoreWindingVsEvenOdd) { |
| 337 | pA.setFillType(pA.isInverseFillType() ? SkPath::kInverseEvenOdd_FillType |
| 338 | : SkPath::kEvenOdd_FillType); |
| 339 | pB.setFillType(pB.isInverseFillType() ? SkPath::kInverseEvenOdd_FillType |
| 340 | : SkPath::kEvenOdd_FillType); |
| 341 | } |
| 342 | if (!ignoreInversenessDifference && !ignoreWindingVsEvenOdd) { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 343 | REPORTER_ASSERT(r, keyA == keyB); |
bsalomon | a4817af | 2016-06-23 11:48:26 -0700 | [diff] [blame] | 344 | } else { |
| 345 | REPORTER_ASSERT(r, keyA != keyB); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 346 | } |
bsalomon | 425c27f | 2016-06-23 13:18:45 -0700 | [diff] [blame] | 347 | if (allowedClosednessDiff) { |
bsalomon | 93f66bc | 2016-06-21 08:35:49 -0700 | [diff] [blame] | 348 | // GrShape will close paths with simple fill style. Make the non-filled path closed |
| 349 | // so that the comparision will succeed. Make sure both are closed before comparing. |
| 350 | pA.close(); |
| 351 | pB.close(); |
| 352 | } |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 353 | REPORTER_ASSERT(r, pA == pB); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 354 | REPORTER_ASSERT(r, aIsRRect == bIsRRect); |
| 355 | if (aIsRRect) { |
| 356 | REPORTER_ASSERT(r, rrectA == rrectB); |
| 357 | REPORTER_ASSERT(r, dirA == dirB); |
| 358 | REPORTER_ASSERT(r, startA == startB); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 359 | REPORTER_ASSERT(r, ignoreInversenessDifference || invertedA == invertedB); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 360 | } |
| 361 | } |
| 362 | REPORTER_ASSERT(r, a.isEmpty() == b.isEmpty()); |
bsalomon | 425c27f | 2016-06-23 13:18:45 -0700 | [diff] [blame] | 363 | REPORTER_ASSERT(r, allowedClosednessDiff || a.knownToBeClosed() == b.knownToBeClosed()); |
| 364 | // closedness can affect convexity. |
| 365 | REPORTER_ASSERT(r, allowedClosednessDiff || a.knownToBeConvex() == b.knownToBeConvex()); |
| 366 | if (a.knownToBeConvex()) { |
| 367 | REPORTER_ASSERT(r, pathA.isConvex()); |
| 368 | } |
| 369 | if (b.knownToBeConvex()) { |
| 370 | REPORTER_ASSERT(r, pathB.isConvex()); |
| 371 | } |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 372 | REPORTER_ASSERT(r, a.bounds() == b.bounds()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame] | 373 | REPORTER_ASSERT(r, a.segmentMask() == b.segmentMask()); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 374 | // Init these to suppress warnings. |
| 375 | SkPoint pts[4] {{0, 0,}, {0, 0}, {0, 0}, {0, 0}} ; |
| 376 | bool invertedLine[2] {true, true}; |
| 377 | REPORTER_ASSERT(r, a.asLine(pts, &invertedLine[0]) == b.asLine(pts + 2, &invertedLine[1])); |
bsalomon | 425c27f | 2016-06-23 13:18:45 -0700 | [diff] [blame] | 378 | // mayBeInverseFilledAfterStyling() is allowed to differ if one has a arbitrary PE and the other |
| 379 | // doesn't (since the PE can set any fill type on its output path). |
| 380 | // Moreover, dash style explicitly ignores inverseness. So if one is dashed but not the other |
| 381 | // then they may disagree about inverseness. |
| 382 | if (a.style().hasNonDashPathEffect() == b.style().hasNonDashPathEffect() && |
| 383 | a.style().isDashed() == b.style().isDashed()) { |
| 384 | REPORTER_ASSERT(r, a.mayBeInverseFilledAfterStyling() == |
| 385 | b.mayBeInverseFilledAfterStyling()); |
| 386 | } |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 387 | if (a.asLine(nullptr, nullptr)) { |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 388 | REPORTER_ASSERT(r, pts[2] == pts[0] && pts[3] == pts[1]); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 389 | REPORTER_ASSERT(r, ignoreInversenessDifference || invertedLine[0] == invertedLine[1]); |
| 390 | REPORTER_ASSERT(r, invertedLine[0] == a.inverseFilled()); |
| 391 | REPORTER_ASSERT(r, invertedLine[1] == b.inverseFilled()); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 392 | } |
bsalomon | 425c27f | 2016-06-23 13:18:45 -0700 | [diff] [blame] | 393 | REPORTER_ASSERT(r, ignoreInversenessDifference || a.inverseFilled() == b.inverseFilled()); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | void TestCase::compare(skiatest::Reporter* r, const TestCase& that, |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 397 | ComparisonExpecation expectation) const { |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 398 | SkPath a, b; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 399 | switch (expectation) { |
| 400 | case kAllDifferent_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 401 | REPORTER_ASSERT(r, fBaseKey != that.fBaseKey); |
| 402 | REPORTER_ASSERT(r, fAppliedPEKey != that.fAppliedPEKey); |
| 403 | REPORTER_ASSERT(r, fAppliedFullKey != that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 404 | break; |
| 405 | case kSameUpToPE_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 406 | check_equivalence(r, fBase, that.fBase, fBaseKey, that.fBaseKey); |
| 407 | REPORTER_ASSERT(r, fAppliedPEKey != that.fAppliedPEKey); |
| 408 | REPORTER_ASSERT(r, fAppliedFullKey != that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 409 | break; |
| 410 | case kSameUpToStroke_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 411 | check_equivalence(r, fBase, that.fBase, fBaseKey, that.fBaseKey); |
| 412 | check_equivalence(r, fAppliedPE, that.fAppliedPE, fAppliedPEKey, that.fAppliedPEKey); |
| 413 | REPORTER_ASSERT(r, fAppliedFullKey != that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 414 | break; |
| 415 | case kAllSame_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 416 | check_equivalence(r, fBase, that.fBase, fBaseKey, that.fBaseKey); |
| 417 | check_equivalence(r, fAppliedPE, that.fAppliedPE, fAppliedPEKey, that.fAppliedPEKey); |
| 418 | check_equivalence(r, fAppliedFull, that.fAppliedFull, fAppliedFullKey, |
| 419 | that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 420 | break; |
| 421 | } |
| 422 | } |
| 423 | } // namespace |
| 424 | |
| 425 | static sk_sp<SkPathEffect> make_dash() { |
| 426 | static const SkScalar kIntervals[] = { 0.25, 3.f, 0.5, 2.f }; |
| 427 | static const SkScalar kPhase = 0.75; |
| 428 | return SkDashPathEffect::Make(kIntervals, SK_ARRAY_COUNT(kIntervals), kPhase); |
| 429 | } |
| 430 | |
| 431 | static sk_sp<SkPathEffect> make_null_dash() { |
| 432 | static const SkScalar kNullIntervals[] = {0, 0, 0, 0, 0, 0}; |
| 433 | return SkDashPathEffect::Make(kNullIntervals, SK_ARRAY_COUNT(kNullIntervals), 0.f); |
| 434 | } |
| 435 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 436 | template<typename GEO> |
| 437 | static void test_basic(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 438 | sk_sp<SkPathEffect> dashPE = make_dash(); |
| 439 | |
| 440 | TestCase::SelfExpectations expectations; |
| 441 | SkPaint fill; |
| 442 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 443 | TestCase fillCase(geo, fill, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 444 | expectations.fPEHasEffect = false; |
| 445 | expectations.fPEHasValidKey = false; |
| 446 | expectations.fStrokeApplies = false; |
| 447 | fillCase.testExpectations(reporter, expectations); |
| 448 | // Test that another GrShape instance built from the same primitive is the same. |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 449 | TestCase(geo, fill, reporter).compare(reporter, fillCase, |
| 450 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 451 | |
| 452 | SkPaint stroke2RoundBevel; |
| 453 | stroke2RoundBevel.setStyle(SkPaint::kStroke_Style); |
| 454 | stroke2RoundBevel.setStrokeCap(SkPaint::kRound_Cap); |
| 455 | stroke2RoundBevel.setStrokeJoin(SkPaint::kBevel_Join); |
| 456 | stroke2RoundBevel.setStrokeWidth(2.f); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 457 | TestCase stroke2RoundBevelCase(geo, stroke2RoundBevel, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 458 | expectations.fPEHasValidKey = true; |
| 459 | expectations.fPEHasEffect = false; |
| 460 | expectations.fStrokeApplies = true; |
| 461 | stroke2RoundBevelCase.testExpectations(reporter, expectations); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 462 | TestCase(geo, stroke2RoundBevel, reporter).compare(reporter, stroke2RoundBevelCase, |
| 463 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 464 | |
| 465 | SkPaint stroke2RoundBevelDash = stroke2RoundBevel; |
| 466 | stroke2RoundBevelDash.setPathEffect(make_dash()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 467 | TestCase stroke2RoundBevelDashCase(geo, stroke2RoundBevelDash, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 468 | expectations.fPEHasValidKey = true; |
| 469 | expectations.fPEHasEffect = true; |
| 470 | expectations.fStrokeApplies = true; |
| 471 | stroke2RoundBevelDashCase.testExpectations(reporter, expectations); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 472 | TestCase(geo, stroke2RoundBevelDash, reporter).compare(reporter, stroke2RoundBevelDashCase, |
| 473 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 474 | |
| 475 | fillCase.compare(reporter, stroke2RoundBevelCase, |
| 476 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 477 | fillCase.compare(reporter, stroke2RoundBevelDashCase, |
| 478 | TestCase::kSameUpToPE_ComparisonExpecation); |
| 479 | stroke2RoundBevelCase.compare(reporter, stroke2RoundBevelDashCase, |
| 480 | TestCase::kSameUpToPE_ComparisonExpecation); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 481 | |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 482 | // Stroke and fill cases |
| 483 | SkPaint stroke2RoundBevelAndFill = stroke2RoundBevel; |
| 484 | stroke2RoundBevelAndFill.setStyle(SkPaint::kStrokeAndFill_Style); |
| 485 | TestCase stroke2RoundBevelAndFillCase(geo, stroke2RoundBevelAndFill, reporter); |
| 486 | expectations.fPEHasValidKey = true; |
| 487 | expectations.fPEHasEffect = false; |
| 488 | expectations.fStrokeApplies = true; |
| 489 | stroke2RoundBevelAndFillCase.testExpectations(reporter, expectations); |
| 490 | TestCase(geo, stroke2RoundBevelAndFill, reporter).compare(reporter, |
| 491 | stroke2RoundBevelAndFillCase, TestCase::kAllSame_ComparisonExpecation); |
| 492 | |
| 493 | SkPaint stroke2RoundBevelAndFillDash = stroke2RoundBevelDash; |
| 494 | stroke2RoundBevelAndFillDash.setStyle(SkPaint::kStrokeAndFill_Style); |
| 495 | TestCase stroke2RoundBevelAndFillDashCase(geo, stroke2RoundBevelAndFillDash, reporter); |
| 496 | expectations.fPEHasValidKey = true; |
bsalomon | a058786 | 2016-06-09 06:03:38 -0700 | [diff] [blame] | 497 | expectations.fPEHasEffect = false; |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 498 | expectations.fStrokeApplies = true; |
| 499 | stroke2RoundBevelAndFillDashCase.testExpectations(reporter, expectations); |
| 500 | TestCase(geo, stroke2RoundBevelAndFillDash, reporter).compare( |
| 501 | reporter, stroke2RoundBevelAndFillDashCase, TestCase::kAllSame_ComparisonExpecation); |
bsalomon | a058786 | 2016-06-09 06:03:38 -0700 | [diff] [blame] | 502 | stroke2RoundBevelAndFillDashCase.compare(reporter, stroke2RoundBevelAndFillCase, |
| 503 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 504 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 505 | SkPaint hairline; |
| 506 | hairline.setStyle(SkPaint::kStroke_Style); |
| 507 | hairline.setStrokeWidth(0.f); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 508 | TestCase hairlineCase(geo, hairline, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 509 | // Since hairline style doesn't change the SkPath data, it is keyed identically to fill. |
| 510 | hairlineCase.compare(reporter, fillCase, TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 511 | REPORTER_ASSERT(reporter, hairlineCase.baseShape().style().isSimpleHairline()); |
| 512 | REPORTER_ASSERT(reporter, hairlineCase.appliedFullStyleShape().style().isSimpleHairline()); |
| 513 | REPORTER_ASSERT(reporter, hairlineCase.appliedPathEffectShape().style().isSimpleHairline()); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 514 | } |
| 515 | |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 516 | template<typename GEO> |
| 517 | static void test_scale(skiatest::Reporter* reporter, const GEO& geo) { |
| 518 | sk_sp<SkPathEffect> dashPE = make_dash(); |
| 519 | |
| 520 | static const SkScalar kS1 = 1.f; |
| 521 | static const SkScalar kS2 = 2.f; |
| 522 | |
| 523 | SkPaint fill; |
| 524 | TestCase fillCase1(geo, fill, reporter, kS1); |
| 525 | TestCase fillCase2(geo, fill, reporter, kS2); |
| 526 | // Scale doesn't affect fills. |
| 527 | fillCase1.compare(reporter, fillCase2, TestCase::kAllSame_ComparisonExpecation); |
| 528 | |
| 529 | SkPaint hairline; |
| 530 | hairline.setStyle(SkPaint::kStroke_Style); |
| 531 | hairline.setStrokeWidth(0.f); |
| 532 | TestCase hairlineCase1(geo, hairline, reporter, kS1); |
| 533 | TestCase hairlineCase2(geo, hairline, reporter, kS2); |
| 534 | // Scale doesn't affect hairlines. |
| 535 | hairlineCase1.compare(reporter, hairlineCase2, TestCase::kAllSame_ComparisonExpecation); |
| 536 | |
| 537 | SkPaint stroke; |
| 538 | stroke.setStyle(SkPaint::kStroke_Style); |
| 539 | stroke.setStrokeWidth(2.f); |
| 540 | TestCase strokeCase1(geo, stroke, reporter, kS1); |
| 541 | TestCase strokeCase2(geo, stroke, reporter, kS2); |
| 542 | // Scale affects the stroke. |
| 543 | strokeCase1.compare(reporter, strokeCase2, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 544 | |
| 545 | SkPaint strokeDash = stroke; |
| 546 | strokeDash.setPathEffect(make_dash()); |
| 547 | TestCase strokeDashCase1(geo, strokeDash, reporter, kS1); |
| 548 | TestCase strokeDashCase2(geo, strokeDash, reporter, kS2); |
| 549 | // Scale affects the dash and the stroke. |
| 550 | strokeDashCase1.compare(reporter, strokeDashCase2, TestCase::kSameUpToPE_ComparisonExpecation); |
| 551 | |
| 552 | // Stroke and fill cases |
| 553 | SkPaint strokeAndFill = stroke; |
| 554 | strokeAndFill.setStyle(SkPaint::kStrokeAndFill_Style); |
| 555 | TestCase strokeAndFillCase1(geo, strokeAndFill, reporter, kS1); |
| 556 | TestCase strokeAndFillCase2(geo, strokeAndFill, reporter, kS2); |
bsalomon | a058786 | 2016-06-09 06:03:38 -0700 | [diff] [blame] | 557 | SkPaint strokeAndFillDash = strokeDash; |
| 558 | strokeAndFillDash.setStyle(SkPaint::kStrokeAndFill_Style); |
| 559 | // Dash is ignored for stroke and fill |
| 560 | TestCase strokeAndFillDashCase1(geo, strokeAndFillDash, reporter, kS1); |
| 561 | TestCase strokeAndFillDashCase2(geo, strokeAndFillDash, reporter, kS2); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 562 | // Scale affects the stroke. Though, this can wind up creating a rect when the input is a rect. |
| 563 | // In that case we wind up with a pure geometry key and the geometries are the same. |
| 564 | SkRRect rrect; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 565 | if (strokeAndFillCase1.appliedFullStyleShape().asRRect(&rrect, nullptr, nullptr, nullptr)) { |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 566 | // We currently only expect to get here in the rect->rect case. |
| 567 | REPORTER_ASSERT(reporter, rrect.isRect()); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 568 | REPORTER_ASSERT(reporter, |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 569 | strokeAndFillCase1.baseShape().asRRect(&rrect, nullptr, nullptr, nullptr) && |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 570 | rrect.isRect()); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 571 | strokeAndFillCase1.compare(reporter, strokeAndFillCase2, |
| 572 | TestCase::kAllSame_ComparisonExpecation); |
| 573 | } else { |
| 574 | strokeAndFillCase1.compare(reporter, strokeAndFillCase2, |
| 575 | TestCase::kSameUpToStroke_ComparisonExpecation); |
bsalomon | a058786 | 2016-06-09 06:03:38 -0700 | [diff] [blame] | 576 | strokeAndFillDashCase1.compare(reporter, strokeAndFillDashCase2, |
| 577 | TestCase::kSameUpToStroke_ComparisonExpecation); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 578 | } |
bsalomon | a058786 | 2016-06-09 06:03:38 -0700 | [diff] [blame] | 579 | strokeAndFillDashCase1.compare(reporter, strokeAndFillCase1, |
| 580 | TestCase::kAllSame_ComparisonExpecation); |
| 581 | strokeAndFillDashCase2.compare(reporter, strokeAndFillCase2, |
| 582 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 583 | } |
| 584 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 585 | template <typename GEO, typename T> |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 586 | static void test_stroke_param_impl(skiatest::Reporter* reporter, const GEO& geo, |
| 587 | std::function<void(SkPaint*, T)> setter, T a, T b, |
| 588 | bool paramAffectsStroke, |
| 589 | bool paramAffectsDashAndStroke) { |
| 590 | // Set the stroke width so that we don't get hairline. However, call the setter afterward so |
| 591 | // that it can override the stroke width. |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 592 | SkPaint strokeA; |
| 593 | strokeA.setStyle(SkPaint::kStroke_Style); |
| 594 | strokeA.setStrokeWidth(2.f); |
| 595 | setter(&strokeA, a); |
| 596 | SkPaint strokeB; |
| 597 | strokeB.setStyle(SkPaint::kStroke_Style); |
| 598 | strokeB.setStrokeWidth(2.f); |
| 599 | setter(&strokeB, b); |
| 600 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 601 | TestCase strokeACase(geo, strokeA, reporter); |
| 602 | TestCase strokeBCase(geo, strokeB, reporter); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 603 | if (paramAffectsStroke) { |
| 604 | strokeACase.compare(reporter, strokeBCase, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 605 | } else { |
| 606 | strokeACase.compare(reporter, strokeBCase, TestCase::kAllSame_ComparisonExpecation); |
| 607 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 608 | |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 609 | SkPaint strokeAndFillA = strokeA; |
| 610 | SkPaint strokeAndFillB = strokeB; |
| 611 | strokeAndFillA.setStyle(SkPaint::kStrokeAndFill_Style); |
| 612 | strokeAndFillB.setStyle(SkPaint::kStrokeAndFill_Style); |
| 613 | TestCase strokeAndFillACase(geo, strokeAndFillA, reporter); |
| 614 | TestCase strokeAndFillBCase(geo, strokeAndFillB, reporter); |
| 615 | if (paramAffectsStroke) { |
| 616 | strokeAndFillACase.compare(reporter, strokeAndFillBCase, |
| 617 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 618 | } else { |
| 619 | strokeAndFillACase.compare(reporter, strokeAndFillBCase, |
| 620 | TestCase::kAllSame_ComparisonExpecation); |
| 621 | } |
| 622 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 623 | // Make sure stroking params don't affect fill style. |
| 624 | SkPaint fillA = strokeA, fillB = strokeB; |
| 625 | fillA.setStyle(SkPaint::kFill_Style); |
| 626 | fillB.setStyle(SkPaint::kFill_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 627 | TestCase fillACase(geo, fillA, reporter); |
| 628 | TestCase fillBCase(geo, fillB, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 629 | fillACase.compare(reporter, fillBCase, TestCase::kAllSame_ComparisonExpecation); |
| 630 | |
| 631 | // Make sure just applying the dash but not stroke gives the same key for both stroking |
| 632 | // variations. |
| 633 | SkPaint dashA = strokeA, dashB = strokeB; |
| 634 | dashA.setPathEffect(make_dash()); |
| 635 | dashB.setPathEffect(make_dash()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 636 | TestCase dashACase(geo, dashA, reporter); |
| 637 | TestCase dashBCase(geo, dashB, reporter); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 638 | if (paramAffectsDashAndStroke) { |
| 639 | dashACase.compare(reporter, dashBCase, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 640 | } else { |
| 641 | dashACase.compare(reporter, dashBCase, TestCase::kAllSame_ComparisonExpecation); |
| 642 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 643 | } |
| 644 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 645 | template <typename GEO, typename T> |
| 646 | static void test_stroke_param(skiatest::Reporter* reporter, const GEO& geo, |
| 647 | std::function<void(SkPaint*, T)> setter, T a, T b) { |
| 648 | test_stroke_param_impl(reporter, geo, setter, a, b, true, true); |
| 649 | }; |
| 650 | |
| 651 | template <typename GEO> |
| 652 | static void test_stroke_cap(skiatest::Reporter* reporter, const GEO& geo) { |
| 653 | GrShape shape(geo, GrStyle(SkStrokeRec::kHairline_InitStyle)); |
| 654 | // The cap should only affect shapes that may be open. |
| 655 | bool affectsStroke = !shape.knownToBeClosed(); |
| 656 | // Dashing adds ends that need caps. |
| 657 | bool affectsDashAndStroke = true; |
| 658 | test_stroke_param_impl<GEO, SkPaint::Cap>( |
| 659 | reporter, |
| 660 | geo, |
| 661 | [](SkPaint* p, SkPaint::Cap c) { p->setStrokeCap(c);}, |
| 662 | SkPaint::kButt_Cap, SkPaint::kRound_Cap, |
| 663 | affectsStroke, |
| 664 | affectsDashAndStroke); |
| 665 | }; |
| 666 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 667 | template <typename GEO> |
| 668 | static void test_miter_limit(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 669 | auto setMiterJoinAndLimit = [](SkPaint* p, SkScalar miter) { |
| 670 | p->setStrokeJoin(SkPaint::kMiter_Join); |
| 671 | p->setStrokeMiter(miter); |
| 672 | }; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 673 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 674 | auto setOtherJoinAndLimit = [](SkPaint* p, SkScalar miter) { |
| 675 | p->setStrokeJoin(SkPaint::kRound_Join); |
| 676 | p->setStrokeMiter(miter); |
| 677 | }; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 678 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 679 | // The miter limit should affect stroked and dashed-stroked cases when the join type is |
| 680 | // miter. |
| 681 | test_stroke_param_impl<GEO, SkScalar>( |
| 682 | reporter, |
| 683 | geo, |
| 684 | setMiterJoinAndLimit, |
| 685 | 0.5f, 0.75f, |
| 686 | true, |
| 687 | true); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 688 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 689 | // The miter limit should not affect stroked and dashed-stroked cases when the join type is |
| 690 | // not miter. |
| 691 | test_stroke_param_impl<GEO, SkScalar>( |
| 692 | reporter, |
| 693 | geo, |
| 694 | setOtherJoinAndLimit, |
| 695 | 0.5f, 0.75f, |
| 696 | false, |
| 697 | false); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 698 | } |
| 699 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 700 | template<typename GEO> |
| 701 | static void test_dash_fill(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 702 | // A dash with no stroke should have no effect |
| 703 | using DashFactoryFn = sk_sp<SkPathEffect>(*)(); |
| 704 | for (DashFactoryFn md : {&make_dash, &make_null_dash}) { |
| 705 | SkPaint dashFill; |
| 706 | dashFill.setPathEffect((*md)()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 707 | TestCase dashFillCase(geo, dashFill, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 708 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 709 | TestCase fillCase(geo, SkPaint(), reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 710 | dashFillCase.compare(reporter, fillCase, TestCase::kAllSame_ComparisonExpecation); |
| 711 | } |
| 712 | } |
| 713 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 714 | template<typename GEO> |
| 715 | void test_null_dash(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 716 | SkPaint fill; |
| 717 | SkPaint stroke; |
| 718 | stroke.setStyle(SkPaint::kStroke_Style); |
| 719 | stroke.setStrokeWidth(1.f); |
| 720 | SkPaint dash; |
| 721 | dash.setStyle(SkPaint::kStroke_Style); |
| 722 | dash.setStrokeWidth(1.f); |
| 723 | dash.setPathEffect(make_dash()); |
| 724 | SkPaint nullDash; |
| 725 | nullDash.setStyle(SkPaint::kStroke_Style); |
| 726 | nullDash.setStrokeWidth(1.f); |
| 727 | nullDash.setPathEffect(make_null_dash()); |
| 728 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 729 | TestCase fillCase(geo, fill, reporter); |
| 730 | TestCase strokeCase(geo, stroke, reporter); |
| 731 | TestCase dashCase(geo, dash, reporter); |
| 732 | TestCase nullDashCase(geo, nullDash, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 733 | |
| 734 | nullDashCase.compare(reporter, fillCase, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 735 | nullDashCase.compare(reporter, strokeCase, TestCase::kAllSame_ComparisonExpecation); |
| 736 | nullDashCase.compare(reporter, dashCase, TestCase::kSameUpToPE_ComparisonExpecation); |
| 737 | } |
| 738 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 739 | template <typename GEO> |
| 740 | void test_path_effect_makes_rrect(skiatest::Reporter* reporter, const GEO& geo) { |
| 741 | /** |
| 742 | * This path effect takes any input path and turns it into a rrect. It passes through stroke |
| 743 | * info. |
| 744 | */ |
| 745 | class RRectPathEffect : SkPathEffect { |
| 746 | public: |
| 747 | static const SkRRect& RRect() { |
| 748 | static const SkRRect kRRect = SkRRect::MakeRectXY(SkRect::MakeWH(12, 12), 3, 5); |
| 749 | return kRRect; |
| 750 | } |
| 751 | |
| 752 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 753 | const SkRect* cullR) const override { |
| 754 | dst->reset(); |
| 755 | dst->addRRect(RRect()); |
| 756 | return true; |
| 757 | } |
| 758 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 759 | *dst = RRect().getBounds(); |
| 760 | } |
| 761 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new RRectPathEffect); } |
| 762 | Factory getFactory() const override { return nullptr; } |
| 763 | void toString(SkString*) const override {} |
| 764 | private: |
| 765 | RRectPathEffect() {} |
| 766 | }; |
| 767 | |
| 768 | SkPaint fill; |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 769 | TestCase fillGeoCase(geo, fill, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 770 | |
| 771 | SkPaint pe; |
| 772 | pe.setPathEffect(RRectPathEffect::Make()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 773 | TestCase geoPECase(geo, pe, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 774 | |
| 775 | SkPaint peStroke; |
| 776 | peStroke.setPathEffect(RRectPathEffect::Make()); |
| 777 | peStroke.setStrokeWidth(2.f); |
| 778 | peStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 779 | TestCase geoPEStrokeCase(geo, peStroke, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 780 | |
| 781 | fillGeoCase.compare(reporter, geoPECase, TestCase::kSameUpToPE_ComparisonExpecation); |
| 782 | fillGeoCase.compare(reporter, geoPEStrokeCase, TestCase::kSameUpToPE_ComparisonExpecation); |
| 783 | geoPECase.compare(reporter, geoPEStrokeCase, |
| 784 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 785 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 786 | TestCase rrectFillCase(RRectPathEffect::RRect(), fill, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 787 | SkPaint stroke = peStroke; |
| 788 | stroke.setPathEffect(nullptr); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 789 | TestCase rrectStrokeCase(RRectPathEffect::RRect(), stroke, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 790 | |
| 791 | SkRRect rrect; |
| 792 | // Applying the path effect should make a SkRRect shape. There is no further stroking in the |
| 793 | // geoPECase, so the full style should be the same as just the PE. |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 794 | REPORTER_ASSERT(reporter, geoPECase.appliedPathEffectShape().asRRect(&rrect, nullptr, nullptr, |
| 795 | nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 796 | REPORTER_ASSERT(reporter, rrect == RRectPathEffect::RRect()); |
| 797 | REPORTER_ASSERT(reporter, geoPECase.appliedPathEffectKey() == rrectFillCase.baseKey()); |
| 798 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 799 | REPORTER_ASSERT(reporter, geoPECase.appliedFullStyleShape().asRRect(&rrect, nullptr, nullptr, |
| 800 | nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 801 | REPORTER_ASSERT(reporter, rrect == RRectPathEffect::RRect()); |
| 802 | REPORTER_ASSERT(reporter, geoPECase.appliedFullStyleKey() == rrectFillCase.baseKey()); |
| 803 | |
| 804 | // In the PE+stroke case applying the full style should be the same as just stroking the rrect. |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 805 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectShape().asRRect(&rrect, nullptr, |
| 806 | nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 807 | REPORTER_ASSERT(reporter, rrect == RRectPathEffect::RRect()); |
| 808 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectKey() == rrectFillCase.baseKey()); |
| 809 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 810 | REPORTER_ASSERT(reporter, !geoPEStrokeCase.appliedFullStyleShape().asRRect(&rrect, nullptr, |
| 811 | nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 812 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedFullStyleKey() == |
| 813 | rrectStrokeCase.appliedFullStyleKey()); |
| 814 | } |
| 815 | |
| 816 | template <typename GEO> |
| 817 | void test_unknown_path_effect(skiatest::Reporter* reporter, const GEO& geo) { |
| 818 | /** |
| 819 | * This path effect just adds two lineTos to the input path. |
| 820 | */ |
| 821 | class AddLineTosPathEffect : SkPathEffect { |
| 822 | public: |
| 823 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 824 | const SkRect* cullR) const override { |
| 825 | *dst = src; |
| 826 | dst->lineTo(0, 0); |
| 827 | dst->lineTo(10, 10); |
| 828 | return true; |
| 829 | } |
| 830 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 831 | *dst = src; |
| 832 | dst->growToInclude(0, 0); |
| 833 | dst->growToInclude(10, 10); |
| 834 | } |
| 835 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new AddLineTosPathEffect); } |
| 836 | Factory getFactory() const override { return nullptr; } |
| 837 | void toString(SkString*) const override {} |
| 838 | private: |
| 839 | AddLineTosPathEffect() {} |
| 840 | }; |
| 841 | |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 842 | // This path effect should make the keys invalid when it is applied. We only produce a path |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 843 | // effect key for dash path effects. So the only way another arbitrary path effect can produce |
| 844 | // a styled result with a key is to produce a non-path shape that has a purely geometric key. |
| 845 | SkPaint peStroke; |
| 846 | peStroke.setPathEffect(AddLineTosPathEffect::Make()); |
| 847 | peStroke.setStrokeWidth(2.f); |
| 848 | peStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 849 | TestCase geoPEStrokeCase(geo, peStroke, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 850 | TestCase::SelfExpectations expectations; |
| 851 | expectations.fPEHasEffect = true; |
| 852 | expectations.fPEHasValidKey = false; |
| 853 | expectations.fStrokeApplies = true; |
| 854 | geoPEStrokeCase.testExpectations(reporter, expectations); |
| 855 | } |
| 856 | |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 857 | template <typename GEO> |
| 858 | void test_make_hairline_path_effect(skiatest::Reporter* reporter, const GEO& geo, bool isNonPath) { |
| 859 | /** |
| 860 | * This path effect just changes the stroke rec to hairline. |
| 861 | */ |
| 862 | class MakeHairlinePathEffect : SkPathEffect { |
| 863 | public: |
| 864 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* strokeRec, |
| 865 | const SkRect* cullR) const override { |
| 866 | *dst = src; |
| 867 | strokeRec->setHairlineStyle(); |
| 868 | return true; |
| 869 | } |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 870 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { *dst = src; } |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 871 | static sk_sp<SkPathEffect> Make() { |
| 872 | return sk_sp<SkPathEffect>(new MakeHairlinePathEffect); |
| 873 | } |
| 874 | Factory getFactory() const override { return nullptr; } |
| 875 | void toString(SkString*) const override {} |
| 876 | private: |
| 877 | MakeHairlinePathEffect() {} |
| 878 | }; |
| 879 | |
| 880 | SkPaint fill; |
| 881 | SkPaint pe; |
| 882 | pe.setPathEffect(MakeHairlinePathEffect::Make()); |
| 883 | |
| 884 | TestCase peCase(geo, pe, reporter); |
| 885 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 886 | SkPath a, b, c; |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 887 | peCase.baseShape().asPath(&a); |
| 888 | peCase.appliedPathEffectShape().asPath(&b); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 889 | peCase.appliedFullStyleShape().asPath(&c); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 890 | if (isNonPath) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 891 | // RRect types can have a change in start index or direction after the PE is applied. This |
| 892 | // is because once the PE is applied, GrShape may canonicalize the dir and index since it |
| 893 | // is not germane to the styling any longer. |
| 894 | // Instead we just check that the paths would fill the same both before and after styling. |
| 895 | REPORTER_ASSERT(reporter, paths_fill_same(a, b)); |
| 896 | REPORTER_ASSERT(reporter, paths_fill_same(a, c)); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 897 | } else { |
bsalomon | a4817af | 2016-06-23 11:48:26 -0700 | [diff] [blame] | 898 | // The base shape cannot perform canonicalization on the path's fill type because of an |
| 899 | // unknown path effect. However, after the path effect is applied the resulting hairline |
| 900 | // shape will canonicalize the path fill type since hairlines (and stroking in general) |
| 901 | // don't distinguish between even/odd and non-zero winding. |
| 902 | a.setFillType(b.getFillType()); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 903 | REPORTER_ASSERT(reporter, a == b); |
| 904 | REPORTER_ASSERT(reporter, a == c); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 905 | REPORTER_ASSERT(reporter, peCase.appliedPathEffectKey().empty()); |
| 906 | REPORTER_ASSERT(reporter, peCase.appliedFullStyleKey().empty()); |
| 907 | } |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 908 | REPORTER_ASSERT(reporter, peCase.appliedPathEffectShape().style().isSimpleHairline()); |
| 909 | REPORTER_ASSERT(reporter, peCase.appliedFullStyleShape().style().isSimpleHairline()); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 910 | } |
| 911 | |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 912 | /** |
| 913 | * isNonPath indicates whether the initial shape made from the path is expected to be recognized |
| 914 | * as a simpler shape type (e.g. rrect) |
| 915 | */ |
| 916 | void test_volatile_path(skiatest::Reporter* reporter, const SkPath& path, |
| 917 | bool isNonPath) { |
| 918 | SkPath vPath(path); |
| 919 | vPath.setIsVolatile(true); |
| 920 | |
| 921 | SkPaint dashAndStroke; |
| 922 | dashAndStroke.setPathEffect(make_dash()); |
| 923 | dashAndStroke.setStrokeWidth(2.f); |
| 924 | dashAndStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 925 | TestCase volatileCase(vPath, dashAndStroke, reporter); |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 926 | // We expect a shape made from a volatile path to have a key iff the shape is recognized |
| 927 | // as a specialized geometry. |
| 928 | if (isNonPath) { |
| 929 | REPORTER_ASSERT(reporter, SkToBool(volatileCase.baseKey().count())); |
| 930 | // In this case all the keys should be identical to the non-volatile case. |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 931 | TestCase nonVolatileCase(path, dashAndStroke, reporter); |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 932 | volatileCase.compare(reporter, nonVolatileCase, TestCase::kAllSame_ComparisonExpecation); |
| 933 | } else { |
| 934 | // None of the keys should be valid. |
| 935 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.baseKey().count())); |
| 936 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.appliedPathEffectKey().count())); |
| 937 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.appliedFullStyleKey().count())); |
| 938 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.appliedPathEffectThenStrokeKey().count())); |
| 939 | } |
| 940 | } |
| 941 | |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 942 | template <typename GEO> |
| 943 | void test_path_effect_makes_empty_shape(skiatest::Reporter* reporter, const GEO& geo) { |
| 944 | /** |
| 945 | * This path effect returns an empty path. |
| 946 | */ |
| 947 | class EmptyPathEffect : SkPathEffect { |
| 948 | public: |
| 949 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 950 | const SkRect* cullR) const override { |
| 951 | dst->reset(); |
| 952 | return true; |
| 953 | } |
| 954 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 955 | dst->setEmpty(); |
| 956 | } |
| 957 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new EmptyPathEffect); } |
| 958 | Factory getFactory() const override { return nullptr; } |
| 959 | void toString(SkString*) const override {} |
| 960 | private: |
| 961 | EmptyPathEffect() {} |
| 962 | }; |
| 963 | |
| 964 | SkPath emptyPath; |
| 965 | GrShape emptyShape(emptyPath); |
| 966 | Key emptyKey; |
| 967 | make_key(&emptyKey, emptyShape); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 968 | REPORTER_ASSERT(reporter, emptyShape.isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 969 | |
| 970 | SkPaint pe; |
| 971 | pe.setPathEffect(EmptyPathEffect::Make()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 972 | TestCase geoCase(geo, pe, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 973 | REPORTER_ASSERT(reporter, geoCase.appliedFullStyleKey() == emptyKey); |
| 974 | REPORTER_ASSERT(reporter, geoCase.appliedPathEffectKey() == emptyKey); |
| 975 | REPORTER_ASSERT(reporter, geoCase.appliedPathEffectThenStrokeKey() == emptyKey); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 976 | REPORTER_ASSERT(reporter, geoCase.appliedPathEffectShape().isEmpty()); |
| 977 | REPORTER_ASSERT(reporter, geoCase.appliedFullStyleShape().isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 978 | |
| 979 | SkPaint peStroke; |
| 980 | peStroke.setPathEffect(EmptyPathEffect::Make()); |
| 981 | peStroke.setStrokeWidth(2.f); |
| 982 | peStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 983 | TestCase geoPEStrokeCase(geo, peStroke, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 984 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedFullStyleKey() == emptyKey); |
| 985 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectKey() == emptyKey); |
| 986 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectThenStrokeKey() == emptyKey); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 987 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectShape().isEmpty()); |
| 988 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedFullStyleShape().isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 989 | } |
| 990 | |
bsalomon | d672384 | 2016-06-07 12:20:15 -0700 | [diff] [blame] | 991 | template <typename GEO> |
| 992 | void test_path_effect_fails(skiatest::Reporter* reporter, const GEO& geo) { |
| 993 | /** |
| 994 | * This path effect returns an empty path. |
| 995 | */ |
| 996 | class FailurePathEffect : SkPathEffect { |
| 997 | public: |
| 998 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 999 | const SkRect* cullR) const override { |
| 1000 | return false; |
| 1001 | } |
| 1002 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 1003 | *dst = src; |
| 1004 | } |
| 1005 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new FailurePathEffect); } |
| 1006 | Factory getFactory() const override { return nullptr; } |
| 1007 | void toString(SkString*) const override {} |
| 1008 | private: |
| 1009 | FailurePathEffect() {} |
| 1010 | }; |
| 1011 | |
| 1012 | SkPaint fill; |
| 1013 | TestCase fillCase(geo, fill, reporter); |
| 1014 | |
| 1015 | SkPaint pe; |
| 1016 | pe.setPathEffect(FailurePathEffect::Make()); |
| 1017 | TestCase peCase(geo, pe, reporter); |
| 1018 | |
| 1019 | SkPaint stroke; |
| 1020 | stroke.setStrokeWidth(2.f); |
| 1021 | stroke.setStyle(SkPaint::kStroke_Style); |
| 1022 | TestCase strokeCase(geo, stroke, reporter); |
| 1023 | |
| 1024 | SkPaint peStroke = stroke; |
| 1025 | peStroke.setPathEffect(FailurePathEffect::Make()); |
| 1026 | TestCase peStrokeCase(geo, peStroke, reporter); |
| 1027 | |
| 1028 | // In general the path effect failure can cause some of the TestCase::compare() tests to fail |
| 1029 | // for at least two reasons: 1) We will initially treat the shape as unkeyable because of the |
| 1030 | // path effect, but then when the path effect fails we can key it. 2) GrShape will change its |
| 1031 | // mind about whether a unclosed rect is actually rect. The path effect initially bars us from |
| 1032 | // closing it but after the effect fails we can (for the fill+pe case). This causes different |
| 1033 | // routes through GrShape to have equivalent but different representations of the path (closed |
| 1034 | // or not) but that fill the same. |
| 1035 | SkPath a; |
| 1036 | SkPath b; |
| 1037 | fillCase.appliedPathEffectShape().asPath(&a); |
| 1038 | peCase.appliedPathEffectShape().asPath(&b); |
| 1039 | REPORTER_ASSERT(reporter, paths_fill_same(a, b)); |
| 1040 | |
| 1041 | fillCase.appliedFullStyleShape().asPath(&a); |
| 1042 | peCase.appliedFullStyleShape().asPath(&b); |
| 1043 | REPORTER_ASSERT(reporter, paths_fill_same(a, b)); |
| 1044 | |
| 1045 | strokeCase.appliedPathEffectShape().asPath(&a); |
| 1046 | peStrokeCase.appliedPathEffectShape().asPath(&b); |
| 1047 | REPORTER_ASSERT(reporter, paths_fill_same(a, b)); |
| 1048 | |
| 1049 | strokeCase.appliedFullStyleShape().asPath(&a); |
| 1050 | peStrokeCase.appliedFullStyleShape().asPath(&b); |
| 1051 | REPORTER_ASSERT(reporter, paths_fill_same(a, b)); |
| 1052 | } |
| 1053 | |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1054 | void test_empty_shape(skiatest::Reporter* reporter) { |
| 1055 | SkPath emptyPath; |
| 1056 | SkPaint fill; |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1057 | TestCase fillEmptyCase(emptyPath, fill, reporter); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 1058 | REPORTER_ASSERT(reporter, fillEmptyCase.baseShape().isEmpty()); |
| 1059 | REPORTER_ASSERT(reporter, fillEmptyCase.appliedPathEffectShape().isEmpty()); |
| 1060 | REPORTER_ASSERT(reporter, fillEmptyCase.appliedFullStyleShape().isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1061 | |
| 1062 | Key emptyKey(fillEmptyCase.baseKey()); |
| 1063 | REPORTER_ASSERT(reporter, emptyKey.count()); |
| 1064 | TestCase::SelfExpectations expectations; |
| 1065 | expectations.fStrokeApplies = false; |
| 1066 | expectations.fPEHasEffect = false; |
| 1067 | // This will test whether applying style preserves emptiness |
| 1068 | fillEmptyCase.testExpectations(reporter, expectations); |
| 1069 | |
| 1070 | // Stroking an empty path should have no effect |
| 1071 | SkPath emptyPath2; |
| 1072 | SkPaint stroke; |
| 1073 | stroke.setStrokeWidth(2.f); |
| 1074 | stroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1075 | TestCase strokeEmptyCase(emptyPath2, stroke, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1076 | strokeEmptyCase.compare(reporter, fillEmptyCase, TestCase::kAllSame_ComparisonExpecation); |
| 1077 | |
| 1078 | // Dashing and stroking an empty path should have no effect |
| 1079 | SkPath emptyPath3; |
| 1080 | SkPaint dashAndStroke; |
| 1081 | dashAndStroke.setPathEffect(make_dash()); |
| 1082 | dashAndStroke.setStrokeWidth(2.f); |
| 1083 | dashAndStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1084 | TestCase dashAndStrokeEmptyCase(emptyPath3, dashAndStroke, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1085 | dashAndStrokeEmptyCase.compare(reporter, fillEmptyCase, |
| 1086 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 5e410b4 | 2016-04-28 09:30:46 -0700 | [diff] [blame] | 1087 | |
| 1088 | // A shape made from an empty rrect should behave the same as an empty path. |
| 1089 | SkRRect emptyRRect = SkRRect::MakeRect(SkRect::MakeEmpty()); |
| 1090 | REPORTER_ASSERT(reporter, emptyRRect.getType() == SkRRect::kEmpty_Type); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1091 | TestCase dashAndStrokeEmptyRRectCase(emptyRRect, dashAndStroke, reporter); |
bsalomon | 5e410b4 | 2016-04-28 09:30:46 -0700 | [diff] [blame] | 1092 | dashAndStrokeEmptyRRectCase.compare(reporter, fillEmptyCase, |
| 1093 | TestCase::kAllSame_ComparisonExpecation); |
| 1094 | |
| 1095 | // Same for a rect. |
| 1096 | SkRect emptyRect = SkRect::MakeEmpty(); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1097 | TestCase dashAndStrokeEmptyRectCase(emptyRect, dashAndStroke, reporter); |
bsalomon | 5e410b4 | 2016-04-28 09:30:46 -0700 | [diff] [blame] | 1098 | dashAndStrokeEmptyRectCase.compare(reporter, fillEmptyCase, |
| 1099 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1100 | } |
| 1101 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1102 | // rect and oval types have rrect start indices that collapse to the same point. Here we select the |
| 1103 | // canonical point in these cases. |
| 1104 | unsigned canonicalize_rrect_start(int s, const SkRRect& rrect) { |
| 1105 | switch (rrect.getType()) { |
| 1106 | case SkRRect::kRect_Type: |
| 1107 | return (s + 1) & 0b110; |
| 1108 | case SkRRect::kOval_Type: |
| 1109 | return s & 0b110; |
| 1110 | default: |
| 1111 | return s; |
| 1112 | } |
| 1113 | } |
| 1114 | |
| 1115 | void test_rrect(skiatest::Reporter* r, const SkRRect& rrect) { |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1116 | enum Style { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1117 | kFill, |
| 1118 | kStroke, |
| 1119 | kHairline, |
| 1120 | kStrokeAndFill |
| 1121 | }; |
| 1122 | |
| 1123 | // SkStrokeRec has no default cons., so init with kFill before calling the setters below. |
| 1124 | SkStrokeRec strokeRecs[4] { SkStrokeRec::kFill_InitStyle, SkStrokeRec::kFill_InitStyle, |
| 1125 | SkStrokeRec::kFill_InitStyle, SkStrokeRec::kFill_InitStyle}; |
| 1126 | strokeRecs[kFill].setFillStyle(); |
| 1127 | strokeRecs[kStroke].setStrokeStyle(2.f); |
| 1128 | strokeRecs[kHairline].setHairlineStyle(); |
| 1129 | strokeRecs[kStrokeAndFill].setStrokeStyle(3.f, true); |
| 1130 | sk_sp<SkPathEffect> dashEffect = make_dash(); |
| 1131 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1132 | static constexpr Style kStyleCnt = static_cast<Style>(SK_ARRAY_COUNT(strokeRecs)); |
| 1133 | |
| 1134 | auto index = [](bool inverted, |
| 1135 | SkPath::Direction dir, |
| 1136 | unsigned start, |
| 1137 | Style style, |
| 1138 | bool dash) -> int { |
| 1139 | return inverted * (2 * 8 * kStyleCnt * 2) + |
| 1140 | dir * ( 8 * kStyleCnt * 2) + |
| 1141 | start * ( kStyleCnt * 2) + |
| 1142 | style * ( 2) + |
| 1143 | dash; |
| 1144 | }; |
| 1145 | static const SkPath::Direction kSecondDirection = static_cast<SkPath::Direction>(1); |
| 1146 | const int cnt = index(true, kSecondDirection, 7, static_cast<Style>(kStyleCnt - 1), true) + 1; |
| 1147 | SkAutoTArray<GrShape> shapes(cnt); |
| 1148 | for (bool inverted : {false, true}) { |
| 1149 | for (SkPath::Direction dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) { |
| 1150 | for (unsigned start = 0; start < 8; ++start) { |
| 1151 | for (Style style : {kFill, kStroke, kHairline, kStrokeAndFill}) { |
| 1152 | for (bool dash : {false, true}) { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1153 | SkPathEffect* pe = dash ? dashEffect.get() : nullptr; |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1154 | shapes[index(inverted, dir, start, style, dash)] = |
| 1155 | GrShape(rrect, dir, start, SkToBool(inverted), |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1156 | GrStyle(strokeRecs[style], pe)); |
| 1157 | } |
| 1158 | } |
| 1159 | } |
| 1160 | } |
| 1161 | } |
| 1162 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1163 | // Get the keys for some example shape instances that we'll use for comparision against the |
| 1164 | // rest. |
| 1165 | static constexpr SkPath::Direction kExamplesDir = SkPath::kCW_Direction; |
| 1166 | static constexpr unsigned kExamplesStart = 0; |
| 1167 | const GrShape& exampleFillCase = shapes[index(false, kExamplesDir, kExamplesStart, kFill, |
| 1168 | false)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1169 | Key exampleFillCaseKey; |
| 1170 | make_key(&exampleFillCaseKey, exampleFillCase); |
| 1171 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1172 | const GrShape& exampleStrokeAndFillCase = shapes[index(false, kExamplesDir, kExamplesStart, |
| 1173 | kStrokeAndFill, false)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1174 | Key exampleStrokeAndFillCaseKey; |
| 1175 | make_key(&exampleStrokeAndFillCaseKey, exampleStrokeAndFillCase); |
| 1176 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1177 | const GrShape& exampleInvFillCase = shapes[index(true, kExamplesDir, kExamplesStart, kFill, |
| 1178 | false)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1179 | Key exampleInvFillCaseKey; |
| 1180 | make_key(&exampleInvFillCaseKey, exampleInvFillCase); |
| 1181 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1182 | const GrShape& exampleInvStrokeAndFillCase = shapes[index(true, kExamplesDir, kExamplesStart, |
| 1183 | kStrokeAndFill, false)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1184 | Key exampleInvStrokeAndFillCaseKey; |
| 1185 | make_key(&exampleInvStrokeAndFillCaseKey, exampleInvStrokeAndFillCase); |
| 1186 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1187 | const GrShape& exampleStrokeCase = shapes[index(false, kExamplesDir, kExamplesStart, kStroke, |
| 1188 | false)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1189 | Key exampleStrokeCaseKey; |
| 1190 | make_key(&exampleStrokeCaseKey, exampleStrokeCase); |
| 1191 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1192 | const GrShape& exampleInvStrokeCase = shapes[index(true, kExamplesDir, kExamplesStart, kStroke, |
| 1193 | false)]; |
| 1194 | Key exampleInvStrokeCaseKey; |
| 1195 | make_key(&exampleInvStrokeCaseKey, exampleInvStrokeCase); |
| 1196 | |
| 1197 | const GrShape& exampleHairlineCase = shapes[index(false, kExamplesDir, kExamplesStart, |
| 1198 | kHairline, false)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1199 | Key exampleHairlineCaseKey; |
| 1200 | make_key(&exampleHairlineCaseKey, exampleHairlineCase); |
| 1201 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1202 | const GrShape& exampleInvHairlineCase = shapes[index(true, kExamplesDir, kExamplesStart, |
| 1203 | kHairline, false)]; |
| 1204 | Key exampleInvHairlineCaseKey; |
| 1205 | make_key(&exampleInvHairlineCaseKey, exampleInvHairlineCase); |
| 1206 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1207 | // These are dummy initializations to suppress warnings. |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1208 | SkRRect queryRR = SkRRect::MakeEmpty(); |
| 1209 | SkPath::Direction queryDir = SkPath::kCW_Direction; |
| 1210 | unsigned queryStart = ~0U; |
| 1211 | bool queryInverted = true; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1212 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1213 | REPORTER_ASSERT(r, exampleFillCase.asRRect(&queryRR, &queryDir, &queryStart, &queryInverted)); |
| 1214 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1215 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1216 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1217 | REPORTER_ASSERT(r, !queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1218 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1219 | REPORTER_ASSERT(r, exampleInvFillCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1220 | &queryInverted)); |
| 1221 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1222 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1223 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1224 | REPORTER_ASSERT(r, queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1225 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1226 | REPORTER_ASSERT(r, exampleStrokeAndFillCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1227 | &queryInverted)); |
| 1228 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1229 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1230 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1231 | REPORTER_ASSERT(r, !queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1232 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1233 | REPORTER_ASSERT(r, exampleInvStrokeAndFillCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1234 | &queryInverted)); |
| 1235 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1236 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1237 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1238 | REPORTER_ASSERT(r, queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1239 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1240 | REPORTER_ASSERT(r, exampleHairlineCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1241 | &queryInverted)); |
| 1242 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1243 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1244 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1245 | REPORTER_ASSERT(r, !queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1246 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1247 | REPORTER_ASSERT(r, exampleInvHairlineCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1248 | &queryInverted)); |
| 1249 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1250 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1251 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1252 | REPORTER_ASSERT(r, queryInverted); |
| 1253 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1254 | REPORTER_ASSERT(r, exampleStrokeCase.asRRect(&queryRR, &queryDir, &queryStart, &queryInverted)); |
| 1255 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1256 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1257 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1258 | REPORTER_ASSERT(r, !queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1259 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1260 | REPORTER_ASSERT(r, exampleInvStrokeCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1261 | &queryInverted)); |
| 1262 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1263 | REPORTER_ASSERT(r, SkPath::kCW_Direction == queryDir); |
| 1264 | REPORTER_ASSERT(r, 0 == queryStart); |
| 1265 | REPORTER_ASSERT(r, queryInverted); |
| 1266 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1267 | // Remember that the key reflects the geometry before styling is applied. |
| 1268 | REPORTER_ASSERT(r, exampleFillCaseKey != exampleInvFillCaseKey); |
| 1269 | REPORTER_ASSERT(r, exampleFillCaseKey == exampleStrokeAndFillCaseKey); |
| 1270 | REPORTER_ASSERT(r, exampleFillCaseKey != exampleInvStrokeAndFillCaseKey); |
| 1271 | REPORTER_ASSERT(r, exampleFillCaseKey == exampleStrokeCaseKey); |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1272 | REPORTER_ASSERT(r, exampleFillCaseKey != exampleInvStrokeCaseKey); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1273 | REPORTER_ASSERT(r, exampleFillCaseKey == exampleHairlineCaseKey); |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1274 | REPORTER_ASSERT(r, exampleFillCaseKey != exampleInvHairlineCaseKey); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1275 | REPORTER_ASSERT(r, exampleInvStrokeAndFillCaseKey == exampleInvFillCaseKey); |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1276 | REPORTER_ASSERT(r, exampleInvStrokeAndFillCaseKey == exampleInvStrokeCaseKey); |
| 1277 | REPORTER_ASSERT(r, exampleInvStrokeAndFillCaseKey == exampleInvHairlineCaseKey); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1278 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1279 | for (bool inverted : {false, true}) { |
| 1280 | for (SkPath::Direction dir : {SkPath::kCW_Direction, SkPath::kCCW_Direction}) { |
| 1281 | for (unsigned start = 0; start < 8; ++start) { |
| 1282 | for (bool dash : {false, true}) { |
| 1283 | const GrShape& fillCase = shapes[index(inverted, dir, start, kFill, dash)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1284 | Key fillCaseKey; |
| 1285 | make_key(&fillCaseKey, fillCase); |
| 1286 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1287 | const GrShape& strokeAndFillCase = shapes[index(inverted, dir, start, |
| 1288 | kStrokeAndFill, dash)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1289 | Key strokeAndFillCaseKey; |
| 1290 | make_key(&strokeAndFillCaseKey, strokeAndFillCase); |
| 1291 | |
| 1292 | // Both fill and stroke-and-fill shapes must respect the inverseness and both |
| 1293 | // ignore dashing. |
| 1294 | REPORTER_ASSERT(r, !fillCase.style().pathEffect()); |
| 1295 | REPORTER_ASSERT(r, !strokeAndFillCase.style().pathEffect()); |
| 1296 | TestCase a(fillCase, r); |
| 1297 | TestCase b(inverted ? exampleInvFillCase : exampleFillCase, r); |
| 1298 | TestCase c(strokeAndFillCase, r); |
| 1299 | TestCase d(inverted ? exampleInvStrokeAndFillCase |
| 1300 | : exampleStrokeAndFillCase, r); |
| 1301 | a.compare(r, b, TestCase::kAllSame_ComparisonExpecation); |
| 1302 | c.compare(r, d, TestCase::kAllSame_ComparisonExpecation); |
| 1303 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1304 | const GrShape& strokeCase = shapes[index(inverted, dir, start, kStroke, dash)]; |
| 1305 | const GrShape& hairlineCase = shapes[index(inverted, dir, start, kHairline, |
| 1306 | dash)]; |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1307 | |
| 1308 | TestCase e(strokeCase, r); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1309 | TestCase g(hairlineCase, r); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1310 | |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1311 | // Both hairline and stroke shapes must respect the dashing. |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1312 | if (dash) { |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1313 | // Dashing always ignores the inverseness. skbug.com/5421 |
| 1314 | TestCase f(exampleStrokeCase, r); |
| 1315 | TestCase h(exampleHairlineCase, r); |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1316 | unsigned expectedStart = canonicalize_rrect_start(start, rrect); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1317 | REPORTER_ASSERT(r, strokeCase.style().pathEffect()); |
| 1318 | REPORTER_ASSERT(r, hairlineCase.style().pathEffect()); |
| 1319 | |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1320 | REPORTER_ASSERT(r, strokeCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1321 | &queryInverted)); |
| 1322 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1323 | REPORTER_ASSERT(r, queryDir == dir); |
| 1324 | REPORTER_ASSERT(r, queryStart == expectedStart); |
| 1325 | REPORTER_ASSERT(r, !queryInverted); |
| 1326 | REPORTER_ASSERT(r, hairlineCase.asRRect(&queryRR, &queryDir, &queryStart, |
| 1327 | &queryInverted)); |
| 1328 | REPORTER_ASSERT(r, queryRR == rrect); |
| 1329 | REPORTER_ASSERT(r, queryDir == dir); |
| 1330 | REPORTER_ASSERT(r, queryStart == expectedStart); |
| 1331 | REPORTER_ASSERT(r, !queryInverted); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1332 | |
| 1333 | // The pre-style case for the dash will match the non-dash example iff the |
| 1334 | // dir and start match (dir=cw, start=0). |
bsalomon | cadb5a2 | 2016-06-10 18:28:06 -0700 | [diff] [blame] | 1335 | if (0 == expectedStart && SkPath::kCW_Direction == dir) { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1336 | e.compare(r, f, TestCase::kSameUpToPE_ComparisonExpecation); |
| 1337 | g.compare(r, h, TestCase::kSameUpToPE_ComparisonExpecation); |
| 1338 | } else { |
| 1339 | e.compare(r, f, TestCase::kAllDifferent_ComparisonExpecation); |
| 1340 | g.compare(r, h, TestCase::kAllDifferent_ComparisonExpecation); |
| 1341 | } |
| 1342 | } else { |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1343 | TestCase f(inverted ? exampleInvStrokeCase : exampleStrokeCase, r); |
| 1344 | TestCase h(inverted ? exampleInvHairlineCase : exampleHairlineCase, r); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1345 | REPORTER_ASSERT(r, !strokeCase.style().pathEffect()); |
| 1346 | REPORTER_ASSERT(r, !hairlineCase.style().pathEffect()); |
| 1347 | e.compare(r, f, TestCase::kAllSame_ComparisonExpecation); |
| 1348 | g.compare(r, h, TestCase::kAllSame_ComparisonExpecation); |
| 1349 | } |
| 1350 | } |
| 1351 | } |
| 1352 | } |
| 1353 | } |
| 1354 | } |
| 1355 | |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1356 | void test_lines(skiatest::Reporter* r) { |
| 1357 | static constexpr SkPoint kA { 1, 1}; |
| 1358 | static constexpr SkPoint kB { 5, -9}; |
| 1359 | static constexpr SkPoint kC {-3, 17}; |
| 1360 | |
| 1361 | SkPath lineAB; |
| 1362 | lineAB.moveTo(kA); |
| 1363 | lineAB.lineTo(kB); |
| 1364 | |
| 1365 | SkPath lineBA; |
| 1366 | lineBA.moveTo(kB); |
| 1367 | lineBA.lineTo(kA); |
| 1368 | |
| 1369 | SkPath lineAC; |
| 1370 | lineAC.moveTo(kB); |
| 1371 | lineAC.lineTo(kC); |
| 1372 | |
| 1373 | SkPath invLineAB = lineAB; |
| 1374 | invLineAB.setFillType(SkPath::kInverseEvenOdd_FillType); |
| 1375 | |
| 1376 | SkPaint fill; |
| 1377 | SkPaint stroke; |
| 1378 | stroke.setStyle(SkPaint::kStroke_Style); |
| 1379 | stroke.setStrokeWidth(2.f); |
| 1380 | SkPaint hairline; |
| 1381 | hairline.setStyle(SkPaint::kStroke_Style); |
| 1382 | hairline.setStrokeWidth(0.f); |
| 1383 | SkPaint dash = stroke; |
| 1384 | dash.setPathEffect(make_dash()); |
| 1385 | |
| 1386 | TestCase fillAB(lineAB, fill, r); |
| 1387 | TestCase fillEmpty(SkPath(), fill, r); |
| 1388 | fillAB.compare(r, fillEmpty, TestCase::kAllSame_ComparisonExpecation); |
| 1389 | REPORTER_ASSERT(r, !fillAB.baseShape().asLine(nullptr, nullptr)); |
| 1390 | |
| 1391 | TestCase strokeAB(lineAB, stroke, r); |
| 1392 | TestCase strokeBA(lineBA, stroke, r); |
| 1393 | TestCase strokeAC(lineAC, stroke, r); |
| 1394 | |
| 1395 | TestCase hairlineAB(lineAB, hairline, r); |
| 1396 | TestCase hairlineBA(lineBA, hairline, r); |
| 1397 | TestCase hairlineAC(lineAC, hairline, r); |
| 1398 | |
| 1399 | TestCase dashAB(lineAB, dash, r); |
| 1400 | TestCase dashBA(lineBA, dash, r); |
| 1401 | TestCase dashAC(lineAC, dash, r); |
| 1402 | |
| 1403 | strokeAB.compare(r, fillAB, TestCase::kAllDifferent_ComparisonExpecation); |
| 1404 | |
| 1405 | strokeAB.compare(r, strokeBA, TestCase::kAllSame_ComparisonExpecation); |
| 1406 | strokeAB.compare(r, strokeAC, TestCase::kAllDifferent_ComparisonExpecation); |
| 1407 | |
| 1408 | hairlineAB.compare(r, hairlineBA, TestCase::kAllSame_ComparisonExpecation); |
| 1409 | hairlineAB.compare(r, hairlineAC, TestCase::kAllDifferent_ComparisonExpecation); |
| 1410 | |
| 1411 | dashAB.compare(r, dashBA, TestCase::kAllDifferent_ComparisonExpecation); |
| 1412 | dashAB.compare(r, dashAC, TestCase::kAllDifferent_ComparisonExpecation); |
| 1413 | |
| 1414 | strokeAB.compare(r, hairlineAB, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 1415 | |
| 1416 | // One of dashAB or dashBA should have the same line as strokeAB. It depends upon how |
| 1417 | // GrShape canonicalizes line endpoints (when it can, i.e. when not dashed). |
| 1418 | bool canonicalizeAsAB; |
| 1419 | SkPoint canonicalPts[2] {kA, kB}; |
| 1420 | // Init these to suppress warnings. |
| 1421 | bool inverted = true; |
| 1422 | SkPoint pts[2] {{0, 0}, {0, 0}}; |
| 1423 | REPORTER_ASSERT(r, strokeAB.baseShape().asLine(pts, &inverted) && !inverted); |
| 1424 | if (pts[0] == kA && pts[1] == kB) { |
| 1425 | canonicalizeAsAB = true; |
| 1426 | } else if (pts[1] == kA && pts[0] == kB) { |
| 1427 | canonicalizeAsAB = false; |
| 1428 | SkTSwap(canonicalPts[0], canonicalPts[1]); |
| 1429 | } else { |
| 1430 | ERRORF(r, "Should return pts (a,b) or (b, a)"); |
| 1431 | return; |
| 1432 | }; |
| 1433 | |
| 1434 | strokeAB.compare(r, canonicalizeAsAB ? dashAB : dashBA, |
| 1435 | TestCase::kSameUpToPE_ComparisonExpecation); |
| 1436 | REPORTER_ASSERT(r, strokeAB.baseShape().asLine(pts, &inverted) && !inverted && |
| 1437 | pts[0] == canonicalPts[0] && pts[1] == canonicalPts[1]); |
| 1438 | REPORTER_ASSERT(r, hairlineAB.baseShape().asLine(pts, &inverted) && !inverted && |
| 1439 | pts[0] == canonicalPts[0] && pts[1] == canonicalPts[1]); |
| 1440 | REPORTER_ASSERT(r, dashAB.baseShape().asLine(pts, &inverted) && !inverted && |
| 1441 | pts[0] == kA && pts[1] == kB); |
| 1442 | REPORTER_ASSERT(r, dashBA.baseShape().asLine(pts, &inverted) && !inverted && |
| 1443 | pts[0] == kB && pts[1] == kA); |
| 1444 | |
| 1445 | |
| 1446 | TestCase strokeInvAB(invLineAB, stroke, r); |
| 1447 | TestCase hairlineInvAB(invLineAB, hairline, r); |
| 1448 | TestCase dashInvAB(invLineAB, dash, r); |
| 1449 | strokeInvAB.compare(r, strokeAB, TestCase::kAllDifferent_ComparisonExpecation); |
| 1450 | hairlineInvAB.compare(r, hairlineAB, TestCase::kAllDifferent_ComparisonExpecation); |
| 1451 | // Dashing ignores inverse. |
| 1452 | dashInvAB.compare(r, dashAB, TestCase::kAllSame_ComparisonExpecation); |
| 1453 | |
| 1454 | REPORTER_ASSERT(r, strokeInvAB.baseShape().asLine(pts, &inverted) && inverted && |
| 1455 | pts[0] == canonicalPts[0] && pts[1] == canonicalPts[1]); |
| 1456 | REPORTER_ASSERT(r, hairlineInvAB.baseShape().asLine(pts, &inverted) && inverted && |
| 1457 | pts[0] == canonicalPts[0] && pts[1] == canonicalPts[1]); |
| 1458 | // Dashing ignores inverse. |
| 1459 | REPORTER_ASSERT(r, dashInvAB.baseShape().asLine(pts, &inverted) && !inverted && |
| 1460 | pts[0] == kA && pts[1] == kB); |
| 1461 | |
| 1462 | } |
| 1463 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1464 | DEF_TEST(GrShape, reporter) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1465 | for (auto r : { SkRect::MakeWH(10, 20), |
| 1466 | SkRect::MakeWH(-10, -20), |
| 1467 | SkRect::MakeWH(-10, 20), |
| 1468 | SkRect::MakeWH(10, -20)}) { |
| 1469 | test_basic(reporter, r); |
| 1470 | test_scale(reporter, r); |
| 1471 | test_dash_fill(reporter, r); |
| 1472 | test_null_dash(reporter, r); |
| 1473 | // Test modifying various stroke params. |
| 1474 | test_stroke_param<SkRect, SkScalar>( |
| 1475 | reporter, r, |
| 1476 | [](SkPaint* p, SkScalar w) { p->setStrokeWidth(w);}, |
| 1477 | SkIntToScalar(2), SkIntToScalar(4)); |
| 1478 | test_stroke_param<SkRect, SkPaint::Join>( |
| 1479 | reporter, r, |
| 1480 | [](SkPaint* p, SkPaint::Join j) { p->setStrokeJoin(j);}, |
| 1481 | SkPaint::kMiter_Join, SkPaint::kRound_Join); |
| 1482 | test_stroke_cap(reporter, r); |
| 1483 | test_miter_limit(reporter, r); |
| 1484 | test_path_effect_makes_rrect(reporter, r); |
| 1485 | test_unknown_path_effect(reporter, r); |
| 1486 | test_path_effect_makes_empty_shape(reporter, r); |
bsalomon | d672384 | 2016-06-07 12:20:15 -0700 | [diff] [blame] | 1487 | test_path_effect_fails(reporter, r); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1488 | test_make_hairline_path_effect(reporter, r, true); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1489 | GrShape shape(r); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1490 | REPORTER_ASSERT(reporter, !shape.asLine(nullptr, nullptr)); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1491 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1492 | |
| 1493 | for (auto rr : { SkRRect::MakeRect(SkRect::MakeWH(10, 10)), |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1494 | SkRRect::MakeRectXY(SkRect::MakeWH(10, 10), 3, 4), |
| 1495 | SkRRect::MakeOval(SkRect::MakeWH(20, 20))}) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1496 | test_basic(reporter, rr); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1497 | test_rrect(reporter, rr); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 1498 | test_scale(reporter, rr); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1499 | test_dash_fill(reporter, rr); |
| 1500 | test_null_dash(reporter, rr); |
| 1501 | // Test modifying various stroke params. |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1502 | test_stroke_param<SkRRect, SkScalar>( |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1503 | reporter, rr, |
| 1504 | [](SkPaint* p, SkScalar w) { p->setStrokeWidth(w);}, |
| 1505 | SkIntToScalar(2), SkIntToScalar(4)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1506 | test_stroke_param<SkRRect, SkPaint::Join>( |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1507 | reporter, rr, |
| 1508 | [](SkPaint* p, SkPaint::Join j) { p->setStrokeJoin(j);}, |
| 1509 | SkPaint::kMiter_Join, SkPaint::kRound_Join); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 1510 | test_stroke_cap(reporter, rr); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1511 | test_miter_limit(reporter, rr); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1512 | test_path_effect_makes_rrect(reporter, rr); |
| 1513 | test_unknown_path_effect(reporter, rr); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1514 | test_path_effect_makes_empty_shape(reporter, rr); |
bsalomon | d672384 | 2016-06-07 12:20:15 -0700 | [diff] [blame] | 1515 | test_path_effect_fails(reporter, rr); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 1516 | test_make_hairline_path_effect(reporter, rr, true); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1517 | GrShape shape(rr); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1518 | REPORTER_ASSERT(reporter, !shape.asLine(nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1519 | } |
| 1520 | |
| 1521 | struct TestPath { |
bsalomon | 93f66bc | 2016-06-21 08:35:49 -0700 | [diff] [blame] | 1522 | TestPath(const SkPath& path, bool isRRectFill, bool isRRectStroke, bool isLine, |
| 1523 | const SkRRect& rrect) |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1524 | : fPath(path) |
| 1525 | , fIsRRectForFill(isRRectFill) |
| 1526 | , fIsRRectForStroke(isRRectStroke) |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1527 | , fIsLine(isLine) |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1528 | , fRRect(rrect) {} |
| 1529 | SkPath fPath; |
| 1530 | bool fIsRRectForFill; |
| 1531 | bool fIsRRectForStroke; |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1532 | bool fIsLine; |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1533 | SkRRect fRRect; |
| 1534 | }; |
| 1535 | SkTArray<TestPath> paths; |
| 1536 | |
| 1537 | SkPath circlePath; |
| 1538 | circlePath.addCircle(10, 10, 10); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1539 | paths.emplace_back(circlePath, true, true, false, SkRRect::MakeOval(SkRect::MakeWH(20,20))); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1540 | |
| 1541 | SkPath rectPath; |
| 1542 | rectPath.addRect(SkRect::MakeWH(10, 10)); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1543 | paths.emplace_back(rectPath, true, true, false, SkRRect::MakeRect(SkRect::MakeWH(10, 10))); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1544 | |
| 1545 | SkPath openRectPath; |
| 1546 | openRectPath.moveTo(0, 0); |
| 1547 | openRectPath.lineTo(10, 0); |
| 1548 | openRectPath.lineTo(10, 10); |
| 1549 | openRectPath.lineTo(0, 10); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1550 | paths.emplace_back(openRectPath, true, false, false, SkRRect::MakeRect(SkRect::MakeWH(10, 10))); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1551 | |
| 1552 | SkPath quadPath; |
| 1553 | quadPath.quadTo(10, 10, 5, 8); |
bsalomon | 398e3f4 | 2016-06-13 10:22:48 -0700 | [diff] [blame] | 1554 | paths.emplace_back(quadPath, false, false, false, SkRRect()); |
| 1555 | |
| 1556 | SkPath linePath; |
| 1557 | linePath.lineTo(10, 10); |
| 1558 | paths.emplace_back(linePath, false, false, true, SkRRect()); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1559 | |
| 1560 | for (auto testPath : paths) { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1561 | for (bool inverseFill : {false, true}) { |
| 1562 | if (inverseFill) { |
| 1563 | if (testPath.fPath.getFillType() == SkPath::kEvenOdd_FillType) { |
| 1564 | testPath.fPath.setFillType(SkPath::kInverseEvenOdd_FillType); |
| 1565 | } else { |
| 1566 | SkASSERT(testPath.fPath.getFillType() == SkPath::kWinding_FillType); |
| 1567 | testPath.fPath.setFillType(SkPath::kInverseWinding_FillType); |
| 1568 | } |
| 1569 | } |
| 1570 | const SkPath& path = testPath.fPath; |
| 1571 | // These tests all assume that the original GrShape for fill and stroke will be the |
| 1572 | // same. |
| 1573 | // However, that is not the case in special cases (e.g. an unclosed rect becomes a RRect |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1574 | // GrShape with a fill style but becomes a Path GrShape when stroked). Similarly, a path |
| 1575 | // that is a line becomes empty when filled but is special-cased as a line when stroked. |
| 1576 | if (testPath.fIsRRectForFill == testPath.fIsRRectForStroke && !testPath.fIsLine) { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1577 | test_basic(reporter, path); |
| 1578 | test_null_dash(reporter, path); |
| 1579 | test_path_effect_makes_rrect(reporter, path); |
| 1580 | } |
| 1581 | test_scale(reporter, path); |
| 1582 | // This test uses a stroking paint, hence use of fIsRRectForStroke |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1583 | test_volatile_path(reporter, path, testPath.fIsRRectForStroke || testPath.fIsLine); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1584 | test_dash_fill(reporter, path); |
| 1585 | // Test modifying various stroke params. |
| 1586 | test_stroke_param<SkPath, SkScalar>( |
| 1587 | reporter, path, |
| 1588 | [](SkPaint* p, SkScalar w) { p->setStrokeWidth(w);}, |
| 1589 | SkIntToScalar(2), SkIntToScalar(4)); |
| 1590 | test_stroke_param<SkPath, SkPaint::Join>( |
| 1591 | reporter, path, |
| 1592 | [](SkPaint* p, SkPaint::Join j) { p->setStrokeJoin(j);}, |
| 1593 | SkPaint::kMiter_Join, SkPaint::kRound_Join); |
| 1594 | test_stroke_cap(reporter, path); |
| 1595 | test_miter_limit(reporter, path); |
| 1596 | test_unknown_path_effect(reporter, path); |
| 1597 | test_path_effect_makes_empty_shape(reporter, path); |
| 1598 | test_path_effect_fails(reporter, path); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1599 | test_make_hairline_path_effect(reporter, path, testPath.fIsRRectForStroke || |
| 1600 | testPath.fIsLine); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1601 | } |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1602 | } |
bsalomon | fd32df7 | 2016-06-14 14:37:21 -0700 | [diff] [blame] | 1603 | |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1604 | for (auto testPath : paths) { |
| 1605 | const SkPath& path = testPath.fPath; |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1606 | |
| 1607 | SkPaint fillPaint; |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1608 | TestCase fillPathCase(path, fillPaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1609 | SkRRect rrect; |
| 1610 | REPORTER_ASSERT(reporter, testPath.fIsRRectForFill == |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1611 | fillPathCase.baseShape().asRRect(&rrect, nullptr, nullptr, |
| 1612 | nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1613 | if (testPath.fIsRRectForFill) { |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1614 | TestCase fillPathCase2(testPath.fPath, fillPaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1615 | REPORTER_ASSERT(reporter, rrect == testPath.fRRect); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1616 | TestCase fillRRectCase(rrect, fillPaint, reporter); |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1617 | fillPathCase2.compare(reporter, fillRRectCase, |
| 1618 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1619 | } |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1620 | SkPaint strokePaint; |
| 1621 | strokePaint.setStrokeWidth(3.f); |
| 1622 | strokePaint.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1623 | TestCase strokePathCase(path, strokePaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1624 | REPORTER_ASSERT(reporter, testPath.fIsRRectForStroke == |
bsalomon | 7049396 | 2016-06-10 08:05:14 -0700 | [diff] [blame] | 1625 | strokePathCase.baseShape().asRRect(&rrect, nullptr, nullptr, |
| 1626 | nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1627 | if (testPath.fIsRRectForStroke) { |
| 1628 | REPORTER_ASSERT(reporter, rrect == testPath.fRRect); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1629 | TestCase strokeRRectCase(rrect, strokePaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1630 | strokePathCase.compare(reporter, strokeRRectCase, |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1631 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1632 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1633 | } |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1634 | |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 1635 | // Test a volatile empty path. |
| 1636 | test_volatile_path(reporter, SkPath(), true); |
| 1637 | |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1638 | test_empty_shape(reporter); |
bsalomon | 0a0f67e | 2016-06-28 11:56:42 -0700 | [diff] [blame] | 1639 | |
| 1640 | test_lines(reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1641 | } |
| 1642 | |
| 1643 | #endif |